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Vulcain Chamber Valve (VC)

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Vulcain Chamber Valve (VC)

Vanne chambre VC du moteur Vulcain

Vulcain Chamber Valve (VC)

Safran Aero Boosters

Mass 31 kg

Fluid compatibility L/GH2, L/GOx, L/GN2, GHe

Maximal pressure 192 bar

ESEOD 118 mm

Flow rate (LH2 – Lox) 35.7 kg/s – 198 kg/s

The Chamber Valve (VC) is part of the Ariane 5 and 6 Vulcain cryogenic engine. The VC provides very low propellant leakage tightness under cryogenic conditions and at the same time a very low pressure drop in open position.

Vulcain Chamber Valve (VC)

Product Space propulsion

Safran Aero Boosters

Mass 31 kg

Fluid compatibility L/GH2, L/GOx, L/GN2, GHe

Maximal pressure 192 bar

ESEOD 118 mm

Flow rate (LH2 – Lox) 35.7 kg/s – 198 kg/s

Vulcain Chamber Valve (VC)

A model, two functions

The Chamber Valve (VC) is a bi-stable pneumatic ball valve, designed to operate as the oxygen chamber valve as well as the hydrogen chamber valve.

Space Equipment

Design, development, assembly & testing of flow regulation valves for space launcher engines and stages

Space equipement - Safran Aero Boosters - VP - Vinci Engine.

Safran Aero Boosters specializes in flow regulation valves for space propulsion. With a strong focus on Research and Technology, the company is a partner on most future European launcher propulsion programs. Safran Aero Boosters’s equipment is developed under extreme conditions of temperature, pressure, vibration and flow and has demonstrated 100% reliability over 45 years. The company is able to hardness this high-level expertise to provide flow regulation valves (pneumatic/electric – linear/rotative) for most of propulsion systems on launchers.

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  • © Capa Pictures
  • © Béa Uhart / CAPA Pictures / Safran